Color adjusting apparatus and method for a light source. A reflector of a required color is added to a light source of a scan module, a plating film of the required color is formed on a lens, or the lens is dyed with the required color. Or alternatively, the color of the light source is directly changed into the required color. As a result, the inconsistent intensities for the light in the primary color, red, green and blue output from the charge-coupled device caused by different brightness of the light source, different wavelength transmission of the lens, and different light sensitivity of the charge-coupled device is improved.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A method comprising: providing a document scanner having a light source configured to radiate a document to produce an imaging light and an optical detector configured to receive the imaging light; providing a reflector at a first side of the light source opposing a second side of the light source from which a document is radiated, the reflector configured with a color selected to increase the intensity of the color of the imaging light, wherein the color is selected from the group of red, green, and blue; radiating a document to obtain an imaging light; and receiving the obtained imaging light by the optical detector.
2. An optical scan module, comprising: a light source configured to radiate a document to obtain an imaging light; a reflector disposed at a first side of the light source opposing a second side of the light source from which the document is radiated, the reflector having a color selected from a group consisting of red, green and blue colors, wherein the reflector is configured to increase the intensity of a particular color of the imaging light; a reflection mirror set disposed in an optical path of the imaging light and configured to reflect the imaging light; a lens set disposed in the optical path of the imaging light and configured to allow imaging light reflected from the reflection mirror set to pass therethrough; and an optical detector disposed in the optical path of the imaging light and configured to receive imaging light that passes through the lens set.
3. An optical scan module, comprising: means for radiating a document to obtain an imaging light; means for increasing an intensity of a color of light emitted by the means for radiating the document, the means for increasing disposed at a first side opposing a second side of the means for radiating from which the document is radiated and the means for increasing having a color selected from a group consisting of red, green, and blue colors; means for reflecting the imaging light, the means for reflecting disposed in an optical path of the imaging light; and means for receiving the imaging light reflected by the means for reflecting, the means for receiving disposed in the optical path of the imaging light.
4. The optical scan module of claim 3 , wherein the means for radiating a document comprises a light source.
5. The optical scan module of claim 3 , wherein the means for increasing an intensity of a color of light emitted by the means for radiating the document comprises a reflector.
6. The optical scan module of claim 3 , wherein the means for reflecting the imaging light comprises a reflection mirror set.
7. The optical scan module of claim 3 , further comprising a lens set disposed in the optical path of the imaging light and configured to allow imaging light reflected from the means for reflecting to pass therethrough to the means for receiving.
8. The optical scan module of claim 3 , wherein the means for receiving the imaging light reflected by the means for reflecting comprises an optical detector.
9. A scanner, comprising: a platform configured to receive a document; an optical scan module having: a light source configured to radiate the document to obtain an imaging light; a reflector disposed at a first side opposing a second side of the light source where the document is radiated, the reflector having a color selected from a group consisting of red, green and blue colors, wherein the reflector is configured to increase intensity of a particular color of the imaging light; a reflection mirror set disposed in an optical path of the imaging light and configured to reflect the imaging light; a lens set disposed in the optical path of the imaging light and configured to allow the imaging light reflected from the reflection mirror set to pass therethrough; and an optical detector disposed in the optical path of the imaging light and configured to receive the imaging light passing through the lens set; and a driving mechanism configured to drive the optical scan module along the platform to scan the document.
10. A color adjusting method for a scanner light source, comprising: providing an optical scan module having a light source configured to radiate a document to obtain an imaging light and an optical detector configured to receive the imaging light and convert the received imaging light into red, green, and blue analog signals; analyzing the red, green, and blue analog signals and determining which of the red, green, and blue analog signals has insufficient intensity; and providing a reflector at a first side of the light source opposing a second side of the light source from which the document is radiated, the reflector having a color effective to reflect and adjust the color of the imaging light sufficient to modify the red, green, and blue analog signals generated by the optical detector.
11. The color adjusting method of claim 10 , further comprising providing a reflection mirror set in an optical path of the imaging light, the reflection mirror set configured to reflect the imaging light.
12. The color adjusting method of claim 10 , further comprising providing a lens set in an optical path of the imaging light, the lens set configured to allow the imaging light to pass therethrough.
13. A scan module, comprising: means for radiating a document to obtain an imaging light, the means for radiating having a first side and a second side opposite the first side, the second side being proximate the document and from which the document is radiated; means for receiving the obtained imaging light; and means for increasing an intensity of a particular color of the imaging light emitted by the means for radiating the document, the means for increasing being proximate the first side of the means for radiating and opposite the radiated document, the means for increasing having a color effective to reflect and increase the intensity of the particular color.
14. The scan module of claim 13 , further comprising means for reflecting the imaging light, the means for reflecting being disposed in an optical path of the imaging light between the means for radiating and the means for receiving.
15. The scan module of claim 14 , wherein the means for reflecting comprises a reflection mirror set.
16. The scan module of claim 13 , further comprising means for allowing the imaging light to pass therethrough, the means for allowing being disposed in an optical path of the imaging light between the means for radiating and the means for receiving.
17. The scan module of claim 16 , wherein the means for allowing comprises a lens set.
18. The scan module of claim 13 , wherein: the means for radiating comprises a light source; the means for receiving comprises an optical detector; and the means for increasing comprises a reflector.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
August 8, 2007
January 31, 2012
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.